Home / 51,051.06-76,580.64-15,990.62

Finding the Fourth Proportional to 51,051.06, 76,580.64 and 15,990.62

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Solution

The fourth proportional to 51,051.06, 76,580.64 and 15,990.62 is: 23,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.06 : 76,580.64 = 15,990.62 : x
  2. Step 2: Convert to fraction form
    51,051.06/76,580.64 = 15,990.62/x
  3. Step 3: Cross multiply
    51,051.06x = 76,580.64 × 15,990.62
  4. Step 4: Simplify right side
    51,051.06x = 1,224,571,530.69
  5. Step 5: Solve for x
    x = 1,224,571,530.69/51,051.06
  6. Step 6: Final answer
    x = 23,987.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.